Why aren't my base styles updating in the preview?
If you're removing styling from a base style, those styles still apply until you have saved the base style.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Base styles are CSS styles for HTML elements.
Custom styles are CSS styles for classes.
No. Component content entities do not have view modes.
We recommend using decimals e.g. 1.3 as this makes the line height relate to your font size.
It depends on the font you are using. If you have individual files for each font, you should upload zip files for each weight.
Running the composer update command will update any composer packages that have newer versions available.